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Anit [1.1K]
3 years ago
5

What is the slope between the points (9 -1) and (-2 5)

Mathematics
2 answers:
ivolga24 [154]3 years ago
8 0
Y2-Y1 over X2-X1 equals 5-1=4
-2-9=-11 slope=-4/11
garri49 [273]3 years ago
4 0

Answer:

The slope is -6/11

Step-by-step explanation:

<u>Step 1:  Find the Slope</u>

m = \frac{y2 - y1}{x2 - x1}

m = \frac{5 - (-1)}{-2 - 9}

m = \frac{5 + 1}{-2 - 9}

m = \frac{6}{-11}

Answer:  The slope is -6/11

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Keith is a gardener and he can plant 40 bushes in 8 hours. How many bushes can he plant in 2 hours?
inn [45]

Answer:

Keith can plant 10 bushes in 2 hours

Step-by-step explanation:

40 divided by 8 is 5 and 5 times 2 is 10.

4 0
2 years ago
Find the area of the shaded region. Round your answer to the nearest hundredth.
Ne4ueva [31]

Answer: 1696.46

Step-by-step explanation:

6 x 6 x 3.14 = 113.1

24 x 24 x 3.14 = 1809.56

113.1 - 1809.56

thus we have 1696.46

sorry had to edit some things instead of one 6 its 6 x 6 and same with 24

5 0
3 years ago
Read 2 more answers
A
navik [9.2K]

Answer:

The number of liters of 50% antifreeze solution is 50 and the number of liters of 90% antifreeze solution is 150

Step-by-step explanation:

Let

x ----> number of liters of 50% antifreeze solution

y ----> number of liters of 90% antifreeze solution

we know that

50%=50/100=0.50

90%=90/100=0.90

80%=80/100=0.80

x+y=200

x=200-y ------> equation A

0.50x+0.90y=0.8(200) -----> equation B

substitute equation A in equation B and solve for y

0.50(200-y)+0.90y=160

100-0.50y+0.90y=160

0.40y=160-100

0.40y=60

y=150 liters

Find the value of x

x=200-y

x=200-150=50 liters

therefore

The number of liters of 50% antifreeze solution is 50

The number of liters of 90% antifreeze solution is 150

3 0
3 years ago
Read 2 more answers
A set of input and output values, such that each input has one or more outputs, is called a
Ainat [17]

Answer:

function  

Step-by-step explanation: A function is the one where you put an input to find x or y


5 0
3 years ago
For an outdoor concert by the city orchestra, concert organizers estimate that 10,000 people will attend if it's not raining. If
Vlada [557]

Answer:

The number of expected people at the concert is 8,500 people

Step-by-step explanation:

In this question, we are asked to determine the expected number of people that will attend a concert if we are given the probabilities that it will rain and it will not rain.

We proceed as follows;

The probability that it will rain is 30% or 0:3

The probability that it will not rain would be 1 -0.3 = 0.7

Now, we proceed to calculate the number of people that will attend by multiplying the probabilities by the expected number of people when it rains and when it does not rain.

Mathematically this is;

Number of expected guests = (probability of not raining * number of expected guests when it does not rain) + (probability of raining * number of expected guests when it rains)

Let’s plug values;

Number of expected guests = (0.3 * 5,000) + (0.7 * 10,000) = 1,500 + 7,000 = 8,500 people

4 0
3 years ago
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